Knife holder block



FIG. 1 is a perspective view as seen from the upper front left of a knife holder block showing my new design;

FIG. 2 is a left side elevational view thereof, the right side elevational view being a mirror image thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a top plan view thereof; and,

FIG. 6 is a bottom plan view thereof.

The dashed lines, which illustrate examples of openings for receiving knives, do not form a part of the claimed design. 

CLAIM The ornamental design for a knife holder block, as shown and described. 